<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div class="list" style="display:flex ; text-align:center;">

    </div>
<button class="prev">上一页</button>
<button class="next">下一页</button>
</body>
<script src="./promise.js"></script>
<script>
    var page = 1;
    document.querySelector('.prev').onclick = function(){
            if( page > 1 ){
                ajax('get',`https://yantianfeng.com/api/emotion`, {page:--page,count:10} ).then((data)=>{
                    var str = data.emotions.map((item,index)=>{
                        return `<div> <img src="${item.url}" /> <div> ${item.title} </div> </div>`
                    }).join('')
                    document.querySelector('.list').innerHTML = str;
                })
                   
                
            }
        }
        
        //点击下一页
        document.querySelector('.next').onclick = function(){
            if( page < 4 ){
                ajax('get',`https://yantianfeng.com/api/emotion`, {page:++page,count:10} ).then((data)=>{
                    var str = data.emotions.map((item,index)=>{
                        return `<div> <img src="${item.url}" /> <div> ${item.title} </div> </div>`
                    }).join('')
                    document.querySelector('.list').innerHTML = str;
                })
                    
               
            }
        }
        
</script>
</html>